Interesting modification
- Thread starter joecoin
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ptsg
Super Member
Quite common in Europe.
Dealers will take a 2 wheel drive tractor like a BCS, Pasquali, and others. Attach it to a trailer, usually fitted with a differential and a 4/5 speed gearbox. The tractor will then power the gearbox through the PTO and transfer power to the differential where the weight will be once the trailer is loaded.
Most of them won't dump. Unless the owners do the modification on the trailer to dump.
My dad had one a looong time ago. It would go uphill with the trailer fully loaded of logs. Nothing would stop that little tractor. It had a 18HP Diesel engine.
Some random pictures from the internet:
Dealers will take a 2 wheel drive tractor like a BCS, Pasquali, and others. Attach it to a trailer, usually fitted with a differential and a 4/5 speed gearbox. The tractor will then power the gearbox through the PTO and transfer power to the differential where the weight will be once the trailer is loaded.
Most of them won't dump. Unless the owners do the modification on the trailer to dump.
My dad had one a looong time ago. It would go uphill with the trailer fully loaded of logs. Nothing would stop that little tractor. It had a 18HP Diesel engine.
Some random pictures from the internet:
Sonny580
Veteran Member
Thats what they use overseas for everything.
Sevanje
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That is most likely an Chinese YB-22L diesel 2 wheel tractor, or maybe even an original Japanese one, can't tell Asia is full of them.
Though this one is missing the handle bars, and has been modified to use a steering wheel and a trailer.
Though this one is missing the handle bars, and has been modified to use a steering wheel and a trailer.
Egon
Epic Contributor
Ferrari makes two wheel tractors.
freedomlives
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I have a Goldoni like that. On mine, you take the handlebars off, the trailer has its own steering wheel, throttle, clutch pedal, and a stick attaches to control the gearbox. After a year, I went back to Italy to buy another used Goldoni, because swapping the handlebars and trailer takes about an hour. It is my "pickup truck". My oldest son has been able to drive it since age six.
Someday, I'm going to mount a hydraulic pump to the pulley on the front of the motor, and a cylinder to lift the bed. Manually lifting it with a ton of dirt to dump isn't much fun (unless the load is carefully placed to be well balanced. Even then, there are times I beed to drive forward to dump, and the bad wants to slam back down when empty)
Someday, I'm going to mount a hydraulic pump to the pulley on the front of the motor, and a cylinder to lift the bed. Manually lifting it with a ton of dirt to dump isn't much fun (unless the load is carefully placed to be well balanced. Even then, there are times I beed to drive forward to dump, and the bad wants to slam back down when empty)
WesKootenay
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Thanks Andrew, very interesting setup.
Get on that hydraulic lift system soon :thumbsup:
metalbender
Veteran Member
Watching some of the Viet Nam vids, the larger of the breed are using 4 cyl diesels and air brakes on the heavy duty trailers.
Freep
Silver Member
How could we make one of those? It seems like it's probably easy if you know how, but I wouldn't have any idea where to start. It sure would be useful.
Cougsfan
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Looks like it would be easy to do a wheelie in reverse if the bed was empty.
ptsg
Super Member
It's not that hard to make. Grab a trailer, slap a diff more or less located in the middle of the bed.
Build a longer tongue where you can mount a seat, pedals and a manual gearbox.
And then build the hitch to the tractor, but it has to be able to pivot left and right, also rotate left and right on an horizontal axis. It can't pivot up and down, otherwise it will crush the operator.
Lastly, connect the gearbox to the tractor PTO shaft via a PTO shaft. And connect the gearbox to the diff.
The way these work, is that the PTO on the tractor will power the gearbox and therefore the diff in the back. The tractor is always in Neutral when using these trailers.
My dad use to run tractor like these full of logs, like 6 ft high loads above the bed, uphill and never had a problem. Once the weight is on the drive wheel, it will climb anything.
Freep
Silver Member
This part (above) is confusing. I can usually cobble stuff together, but I'm not picking up everything you're putting down. I'll look for better pictures of this sort of contraption online and see if I can study where the stuff mates up.
Am I dreaming in thinking that the trailer with the differential could be the back half of an old Ford Truck? I just happen to have a trailer made out of an old truck, but surely that would be too big for a 13hp BCS 853 to power, right?
ptsg
Super Member
That might work just fine and being from a truck, I'm thinking it should have a higher ratio which is a better fit for a lower HP engine. Most of these units range anywhere from 10 to 20 HP.
So, on the hitch, you want it to be able to turn left and right which provides you the articulated steering. But you also want it to roll left and right just like the front axle on a tractor. However, you don't it to pitch front to back, otherwise it crushes the operator. This is kind of hard to explain.
You may notice that some of these tractors don't have a gearbox on the trailer, that is because some of the tractors had a Ground speed PTO. So with the right ratio on the rear end, it can actually be full time 4x4 and use the tractor gearbox for the speed changes.
Found some picture that hopefully helps you a bit more:
So, on the hitch, you want it to be able to turn left and right which provides you the articulated steering. But you also want it to roll left and right just like the front axle on a tractor. However, you don't it to pitch front to back, otherwise it crushes the operator. This is kind of hard to explain.
You may notice that some of these tractors don't have a gearbox on the trailer, that is because some of the tractors had a Ground speed PTO. So with the right ratio on the rear end, it can actually be full time 4x4 and use the tractor gearbox for the speed changes.
Found some picture that hopefully helps you a bit more:
Freep
Silver Member
That helps a lot - many thanks! I was trying to imagine some single coupling that did everything you said and was having trouble. These pieces that attach in two places make sense now. That Goldoni pic in particular makes it look very doable. I'm going to add this to the long list of projects to entertain at some point and keep my eye out for some of those parts in the pic locally.
I also have an old Volvo 240 that needs to be dismantled for parts (for three other Volvo 240s), so the read end and frame of that car is an option as well. It would certainly be lighter, and the gearing is usually 3.91 or 3.73.
I also have an old Volvo 240 that needs to be dismantled for parts (for three other Volvo 240s), so the read end and frame of that car is an option as well. It would certainly be lighter, and the gearing is usually 3.91 or 3.73.
Freep
Silver Member
Nice! I currently have a mowing sulky that attaches to the wheels of my BCS, forward of which I usually have a mower mounted. Then behind the sulky I often attach a cart. It's quite a little train. There are 8 wheels in all when they are all connected. I'll try to remember to get a pic when it is all set up next time.
bearthebruce
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My uncle had a gravely sulky - setup much like your fine setup. One word of caution, keep your legs together when approaching a ditch or dip. I failed and thought my leg was broken! I was warned by my uncle.. but I did not remember until the second ditch!
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